package com.atguigu.gulimall.product.service.impl;

import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;
import com.atguigu.gulimall.product.dao.AttrAttrgroupRelationDao;
import com.atguigu.gulimall.product.dao.AttrDao;
import com.atguigu.gulimall.product.dao.AttrGroupDao;
import com.atguigu.gulimall.product.entity.AttrAttrgroupRelationEntity;
import com.atguigu.gulimall.product.entity.AttrEntity;
import com.atguigu.gulimall.product.entity.AttrGroupEntity;
import com.atguigu.gulimall.product.service.AttrAttrgroupRelationService;
import com.atguigu.gulimall.product.service.AttrGroupService;
import com.atguigu.gulimall.product.vo.AttrGroupDelRelVo;
import com.atguigu.gulimall.product.vo.AttrGroupWithAttrs;
import com.atguigu.gulimall.product.vo.SpuBaseAttrVo;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;

import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;


@Service("attrGroupService")
public class AttrGroupServiceImpl extends ServiceImpl<AttrGroupDao, AttrGroupEntity> implements AttrGroupService {

    @Autowired
    private AttrAttrgroupRelationDao relationDao;
    @Autowired
    private AttrDao attrDao;
    @Autowired
    private AttrAttrgroupRelationService relationService;
    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<AttrGroupEntity> page = this.page(
                new Query<AttrGroupEntity>().getPage(params),
                new QueryWrapper<AttrGroupEntity>()
        );

        return new PageUtils(page);
    }

    /*select * from pms_attr_group where catelog_id  =? and (attr_group_id=? or  attr_group_name=?)*/
    @Override
    public PageUtils queryPage(Map<String, Object> params, Long catelogId) {
        String key= (String) params.get("key");
        QueryWrapper<AttrGroupEntity> wrapper = new QueryWrapper<AttrGroupEntity>();
        if (!StringUtils.isEmpty(key)){
            wrapper.and(obj->{
                obj.eq("attr_group_id",key).or().like("attr_group_name",key);
            });
        }
        if (catelogId==0){
            IPage<AttrGroupEntity> page = this.page(new Query<AttrGroupEntity>().getPage(params), wrapper);
            return new PageUtils(page);
        }else {
            wrapper.eq("catelog_id", catelogId);
            IPage<AttrGroupEntity> page = this.page(new Query<AttrGroupEntity>().getPage(params), wrapper);
            return new PageUtils(page);
        }

    }

    @Override
    public List<AttrEntity> getRelationList(Long attrgroupId) {
        List<AttrAttrgroupRelationEntity> relationEntities = relationDao.selectList(new QueryWrapper<AttrAttrgroupRelationEntity>().eq("attr_group_id", attrgroupId));

        List<AttrEntity> attrEntities = relationEntities.stream().map((item) -> {
            Long attrId = item.getAttrId();
            AttrEntity attrEntity = attrDao.selectById(attrId);
            return attrEntity;
        }).collect(Collectors.toList());

        return attrEntities;
    }

    @Override
    public void addRelation(List<AttrGroupDelRelVo> attrGroupDelRelVos) {
        List<AttrAttrgroupRelationEntity> collect = attrGroupDelRelVos.stream().map(item -> {
            AttrAttrgroupRelationEntity attrAttrgroupRelationEntity = new AttrAttrgroupRelationEntity();
            BeanUtils.copyProperties(item, attrAttrgroupRelationEntity);
            return attrAttrgroupRelationEntity;
        }).collect(Collectors.toList());
        relationService.saveBatch(collect);

    }

    @Override
    public List<AttrGroupWithAttrs> getAttrGroupWithAttrs(Long catelogId) {
        List<AttrGroupEntity> attrGroupEntities = this.list(new QueryWrapper<AttrGroupEntity>().eq("catelog_id", catelogId));

        List<AttrGroupWithAttrs> collect = attrGroupEntities.stream().map(group -> {
            AttrGroupWithAttrs attrGroupWithAttrs = new AttrGroupWithAttrs();
            BeanUtils.copyProperties(group, attrGroupWithAttrs);

            Long attrGroupId = group.getAttrGroupId();
            List<AttrEntity> attrEntities = this.getRelationList(attrGroupId);
            attrGroupWithAttrs.setAttrs(attrEntities);
            return attrGroupWithAttrs;

        }).collect(Collectors.toList());

        return collect;
    }

    @Override
    public List<SpuBaseAttrVo> getAttrGroupWithSpuId(Long spuId, Long catalogId) {
        List<SpuBaseAttrVo> spuBaseAttrVos=baseMapper.getAttrGroupWithSpuId(spuId,catalogId);
        return spuBaseAttrVos;
    }

}